workarounds for jasmine.ajax in unit tests

lib/content-services/src/lib/document-list/services/document-list.service.spec.ts

@@ -18,6 +18,7 @@
 import { DocumentListService } from './document-list.service';
 import { fakeAsync, TestBed } from '@angular/core/testing';
 import { ContentTestingModule } from '../../testing/content.testing.module';
+import { AdfHttpClient } from '@alfresco/adf-core/api';
 
 declare let jasmine: any;
 
@@ -68,7 +69,11 @@ describe('DocumentListService', () => {
 
     beforeEach(() => {
         TestBed.configureTestingModule({
-            imports: [ContentTestingModule]
+            imports: [ContentTestingModule],
+            providers: [
+                // TODO: remove this as soon as unit test not using jasmine.Ajax
+                { provide: AdfHttpClient, useValue: null }
+            ]
         });
         service = TestBed.inject(DocumentListService);
         jasmine.Ajax.install();

lib/content-services/src/lib/services/alfresco-api.service.ts

@@ -31,7 +31,7 @@ export class AlfrescoApiService {
     protected appConfig = inject(AppConfigService);
     protected storageService = inject(StorageService);
     protected alfrescoApiFactory = inject<AlfrescoApiFactory>(ALFRESCO_API_FACTORY, { optional: true });
-    protected adfHttpClient = inject(AdfHttpClient);
+    protected adfHttpClient = inject(AdfHttpClient, { optional: true });
 
     alfrescoApiInitialized: ReplaySubject<boolean> = new ReplaySubject(1);